Condemnation expressed by shaking the dust from

Matthew 10:14 - And whosoever shall not receive you, nor hear your words, when ye depart out of that house or city, shake off the dust of your feet.

Mark 6:11 - And whosoever shall not receive you, nor hear you, when ye depart thence, shake off the dust under your feet for a testimony against them. Verily I say unto you, It shall be more tolerable for Sodom and Gomorrha in the day of judgment, than for that city.